2) Have 7/8 series 7 series is is steel cover, eight is malleable iron cover

But always come with the gaskets and screws (8 series no need screw)

3) Sizes:1/2" 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2"4"

4) UL Certificate will be getting in nov2015

Features:

Malleable Iron Conduit body C,LB,LL,LR T style conduit bodies are attached to threaded rigid or IMC conduits when a change of direction is required. Their removable cover makes general maintenance and wire pulling and feed through easy and convenient. Commonly used for electrical service entrance wires or as an economical convenience box when extra wire capacity is needed. C style conduit bodies save time and money by eliminating costly bending of large conduits in order to change the directions of conduit runs. They allow the installer to easily bend wires into the smooth turns. They are zinc electro plated and have a water-tight gasket to ensure a weatherproof installation. -